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// Copyright 2015 The Kyua Authors.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/// \file utils/fs/directory.hpp
/// Provides the utils::fs::directory class.
#if !defined(UTILS_FS_DIRECTORY_HPP)
#define UTILS_FS_DIRECTORY_HPP
#include "utils/fs/directory_fwd.hpp"
#include <memory>
#include <ostream>
#include <string>
#include "utils/fs/path_fwd.hpp"
namespace utils {
namespace fs {
/// Representation of a single directory entry.
struct directory_entry {
/// Name of the directory entry.
std::string name;
explicit directory_entry(const std::string&);
bool operator==(const directory_entry&) const;
bool operator!=(const directory_entry&) const;
bool operator<(const directory_entry&) const;
};
std::ostream& operator<<(std::ostream&, const directory_entry&);
namespace detail {
/// Forward directory iterator.
class directory_iterator {
struct impl;
/// Internal implementation details.
std::shared_ptr< impl > _pimpl;
directory_iterator(std::shared_ptr< impl >);
friend class fs::directory;
static directory_iterator new_begin(const path&);
static directory_iterator new_end(void);
public:
~directory_iterator();
bool operator==(const directory_iterator&) const;
bool operator!=(const directory_iterator&) const;
directory_iterator& operator++(void);
const directory_entry& operator*(void) const;
const directory_entry* operator->(void) const;
};
} // namespace detail
/// Representation of a local filesystem directory.
///
/// This class is pretty much stateless. All the directory manipulation
/// operations happen within the iterator.
class directory {
public:
/// Public type for a constant forward directory iterator.
typedef detail::directory_iterator const_iterator;
private:
struct impl;
/// Internal implementation details.
std::shared_ptr< impl > _pimpl;
public:
explicit directory(const path&);
const_iterator begin(void) const;
const_iterator end(void) const;
};
} // namespace fs
} // namespace utils
#endif // !defined(UTILS_FS_DIRECTORY_HPP)
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